diff options
author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 12:00:33 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-06 12:00:33 -0500 |
commit | 3d14b5beba35250c548d3851a2b84fce742d8311 (patch) | |
tree | 065e3d93c3fcbc5ee4c44fa78662393cddbdf6de /tools/perf/builtin-annotate.c | |
parent | 0719dc341389882cc834ed18fc9b7fc6006b2b85 (diff) | |
parent | 1bf8e6219552d5dd27012d567ec8c4bb9c2d86b4 (diff) |
Merge branch 'sa1100' into devel
Diffstat (limited to 'tools/perf/builtin-annotate.c')
-rw-r--r-- | tools/perf/builtin-annotate.c | 885 |
1 files changed, 154 insertions, 731 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 1ec741615814..0bf2e8f9af57 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c | |||
@@ -19,29 +19,26 @@ | |||
19 | #include "perf.h" | 19 | #include "perf.h" |
20 | #include "util/debug.h" | 20 | #include "util/debug.h" |
21 | 21 | ||
22 | #include "util/event.h" | ||
22 | #include "util/parse-options.h" | 23 | #include "util/parse-options.h" |
23 | #include "util/parse-events.h" | 24 | #include "util/parse-events.h" |
24 | #include "util/thread.h" | 25 | #include "util/thread.h" |
26 | #include "util/sort.h" | ||
27 | #include "util/hist.h" | ||
28 | #include "util/data_map.h" | ||
25 | 29 | ||
26 | static char const *input_name = "perf.data"; | 30 | static char const *input_name = "perf.data"; |
27 | 31 | ||
28 | static char default_sort_order[] = "comm,symbol"; | ||
29 | static char *sort_order = default_sort_order; | ||
30 | |||
31 | static int force; | 32 | static int force; |
32 | static int input; | ||
33 | static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV; | ||
34 | 33 | ||
35 | static int full_paths; | 34 | static int full_paths; |
36 | 35 | ||
37 | static int print_line; | 36 | static int print_line; |
38 | 37 | ||
39 | static unsigned long page_size; | 38 | struct sym_hist { |
40 | static unsigned long mmap_window = 32; | 39 | u64 sum; |
41 | 40 | u64 ip[0]; | |
42 | static struct rb_root threads; | 41 | }; |
43 | static struct thread *last_match; | ||
44 | |||
45 | 42 | ||
46 | struct sym_ext { | 43 | struct sym_ext { |
47 | struct rb_node node; | 44 | struct rb_node node; |
@@ -49,247 +46,38 @@ struct sym_ext { | |||
49 | char *path; | 46 | char *path; |
50 | }; | 47 | }; |
51 | 48 | ||
52 | /* | 49 | struct sym_priv { |
53 | * histogram, sorted on item, collects counts | 50 | struct sym_hist *hist; |
54 | */ | 51 | struct sym_ext *ext; |
55 | |||
56 | static struct rb_root hist; | ||
57 | |||
58 | struct hist_entry { | ||
59 | struct rb_node rb_node; | ||
60 | |||
61 | struct thread *thread; | ||
62 | struct map *map; | ||
63 | struct dso *dso; | ||
64 | struct symbol *sym; | ||
65 | u64 ip; | ||
66 | char level; | ||
67 | |||
68 | uint32_t count; | ||
69 | }; | ||
70 | |||
71 | /* | ||
72 | * configurable sorting bits | ||
73 | */ | ||
74 | |||
75 | struct sort_entry { | ||
76 | struct list_head list; | ||
77 | |||
78 | const char *header; | ||
79 | |||
80 | int64_t (*cmp)(struct hist_entry *, struct hist_entry *); | ||
81 | int64_t (*collapse)(struct hist_entry *, struct hist_entry *); | ||
82 | size_t (*print)(FILE *fp, struct hist_entry *); | ||
83 | }; | ||
84 | |||
85 | /* --sort pid */ | ||
86 | |||
87 | static int64_t | ||
88 | sort__thread_cmp(struct hist_entry *left, struct hist_entry *right) | ||
89 | { | ||
90 | return right->thread->pid - left->thread->pid; | ||
91 | } | ||
92 | |||
93 | static size_t | ||
94 | sort__thread_print(FILE *fp, struct hist_entry *self) | ||
95 | { | ||
96 | return fprintf(fp, "%16s:%5d", self->thread->comm ?: "", self->thread->pid); | ||
97 | } | ||
98 | |||
99 | static struct sort_entry sort_thread = { | ||
100 | .header = " Command: Pid", | ||
101 | .cmp = sort__thread_cmp, | ||
102 | .print = sort__thread_print, | ||
103 | }; | ||
104 | |||
105 | /* --sort comm */ | ||
106 | |||
107 | static int64_t | ||
108 | sort__comm_cmp(struct hist_entry *left, struct hist_entry *right) | ||
109 | { | ||
110 | return right->thread->pid - left->thread->pid; | ||
111 | } | ||
112 | |||
113 | static int64_t | ||
114 | sort__comm_collapse(struct hist_entry *left, struct hist_entry *right) | ||
115 | { | ||
116 | char *comm_l = left->thread->comm; | ||
117 | char *comm_r = right->thread->comm; | ||
118 | |||
119 | if (!comm_l || !comm_r) { | ||
120 | if (!comm_l && !comm_r) | ||
121 | return 0; | ||
122 | else if (!comm_l) | ||
123 | return -1; | ||
124 | else | ||
125 | return 1; | ||
126 | } | ||
127 | |||
128 | return strcmp(comm_l, comm_r); | ||
129 | } | ||
130 | |||
131 | static size_t | ||
132 | sort__comm_print(FILE *fp, struct hist_entry *self) | ||
133 | { | ||
134 | return fprintf(fp, "%16s", self->thread->comm); | ||
135 | } | ||
136 | |||
137 | static struct sort_entry sort_comm = { | ||
138 | .header = " Command", | ||
139 | .cmp = sort__comm_cmp, | ||
140 | .collapse = sort__comm_collapse, | ||
141 | .print = sort__comm_print, | ||
142 | }; | ||
143 | |||
144 | /* --sort dso */ | ||
145 | |||
146 | static int64_t | ||
147 | sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) | ||
148 | { | ||
149 | struct dso *dso_l = left->dso; | ||
150 | struct dso *dso_r = right->dso; | ||
151 | |||
152 | if (!dso_l || !dso_r) { | ||
153 | if (!dso_l && !dso_r) | ||
154 | return 0; | ||
155 | else if (!dso_l) | ||
156 | return -1; | ||
157 | else | ||
158 | return 1; | ||
159 | } | ||
160 | |||
161 | return strcmp(dso_l->name, dso_r->name); | ||
162 | } | ||
163 | |||
164 | static size_t | ||
165 | sort__dso_print(FILE *fp, struct hist_entry *self) | ||
166 | { | ||
167 | if (self->dso) | ||
168 | return fprintf(fp, "%-25s", self->dso->name); | ||
169 | |||
170 | return fprintf(fp, "%016llx ", (u64)self->ip); | ||
171 | } | ||
172 | |||
173 | static struct sort_entry sort_dso = { | ||
174 | .header = "Shared Object ", | ||
175 | .cmp = sort__dso_cmp, | ||
176 | .print = sort__dso_print, | ||
177 | }; | ||
178 | |||
179 | /* --sort symbol */ | ||
180 | |||
181 | static int64_t | ||
182 | sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) | ||
183 | { | ||
184 | u64 ip_l, ip_r; | ||
185 | |||
186 | if (left->sym == right->sym) | ||
187 | return 0; | ||
188 | |||
189 | ip_l = left->sym ? left->sym->start : left->ip; | ||
190 | ip_r = right->sym ? right->sym->start : right->ip; | ||
191 | |||
192 | return (int64_t)(ip_r - ip_l); | ||
193 | } | ||
194 | |||
195 | static size_t | ||
196 | sort__sym_print(FILE *fp, struct hist_entry *self) | ||
197 | { | ||
198 | size_t ret = 0; | ||
199 | |||
200 | if (verbose) | ||
201 | ret += fprintf(fp, "%#018llx ", (u64)self->ip); | ||
202 | |||
203 | if (self->sym) { | ||
204 | ret += fprintf(fp, "[%c] %s", | ||
205 | self->dso == kernel_dso ? 'k' : '.', self->sym->name); | ||
206 | } else { | ||
207 | ret += fprintf(fp, "%#016llx", (u64)self->ip); | ||
208 | } | ||
209 | |||
210 | return ret; | ||
211 | } | ||
212 | |||
213 | static struct sort_entry sort_sym = { | ||
214 | .header = "Symbol", | ||
215 | .cmp = sort__sym_cmp, | ||
216 | .print = sort__sym_print, | ||
217 | }; | ||
218 | |||
219 | static int sort__need_collapse = 0; | ||
220 | |||
221 | struct sort_dimension { | ||
222 | const char *name; | ||
223 | struct sort_entry *entry; | ||
224 | int taken; | ||
225 | }; | 52 | }; |
226 | 53 | ||
227 | static struct sort_dimension sort_dimensions[] = { | 54 | static struct symbol_conf symbol_conf = { |
228 | { .name = "pid", .entry = &sort_thread, }, | 55 | .priv_size = sizeof(struct sym_priv), |
229 | { .name = "comm", .entry = &sort_comm, }, | 56 | .try_vmlinux_path = true, |
230 | { .name = "dso", .entry = &sort_dso, }, | ||
231 | { .name = "symbol", .entry = &sort_sym, }, | ||
232 | }; | 57 | }; |
233 | 58 | ||
234 | static LIST_HEAD(hist_entry__sort_list); | 59 | static const char *sym_hist_filter; |
235 | 60 | ||
236 | static int sort_dimension__add(char *tok) | 61 | static int symbol_filter(struct map *map __used, struct symbol *sym) |
237 | { | 62 | { |
238 | unsigned int i; | 63 | if (sym_hist_filter == NULL || |
239 | 64 | strcmp(sym->name, sym_hist_filter) == 0) { | |
240 | for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) { | 65 | struct sym_priv *priv = symbol__priv(sym); |
241 | struct sort_dimension *sd = &sort_dimensions[i]; | 66 | const int size = (sizeof(*priv->hist) + |
242 | 67 | (sym->end - sym->start) * sizeof(u64)); | |
243 | if (sd->taken) | ||
244 | continue; | ||
245 | |||
246 | if (strncasecmp(tok, sd->name, strlen(tok))) | ||
247 | continue; | ||
248 | |||
249 | if (sd->entry->collapse) | ||
250 | sort__need_collapse = 1; | ||
251 | |||
252 | list_add_tail(&sd->entry->list, &hist_entry__sort_list); | ||
253 | sd->taken = 1; | ||
254 | 68 | ||
69 | priv->hist = malloc(size); | ||
70 | if (priv->hist) | ||
71 | memset(priv->hist, 0, size); | ||
255 | return 0; | 72 | return 0; |
256 | } | 73 | } |
257 | 74 | /* | |
258 | return -ESRCH; | 75 | * FIXME: We should really filter it out, as we don't want to go thru symbols |
259 | } | 76 | * we're not interested, and if a DSO ends up with no symbols, delete it too, |
260 | 77 | * but right now the kernel loading routines in symbol.c bail out if no symbols | |
261 | static int64_t | 78 | * are found, fix it later. |
262 | hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) | 79 | */ |
263 | { | 80 | return 0; |
264 | struct sort_entry *se; | ||
265 | int64_t cmp = 0; | ||
266 | |||
267 | list_for_each_entry(se, &hist_entry__sort_list, list) { | ||
268 | cmp = se->cmp(left, right); | ||
269 | if (cmp) | ||
270 | break; | ||
271 | } | ||
272 | |||
273 | return cmp; | ||
274 | } | ||
275 | |||
276 | static int64_t | ||
277 | hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) | ||
278 | { | ||
279 | struct sort_entry *se; | ||
280 | int64_t cmp = 0; | ||
281 | |||
282 | list_for_each_entry(se, &hist_entry__sort_list, list) { | ||
283 | int64_t (*f)(struct hist_entry *, struct hist_entry *); | ||
284 | |||
285 | f = se->collapse ?: se->cmp; | ||
286 | |||
287 | cmp = f(left, right); | ||
288 | if (cmp) | ||
289 | break; | ||
290 | } | ||
291 | |||
292 | return cmp; | ||
293 | } | 81 | } |
294 | 82 | ||
295 | /* | 83 | /* |
@@ -299,380 +87,81 @@ static void hist_hit(struct hist_entry *he, u64 ip) | |||
299 | { | 87 | { |
300 | unsigned int sym_size, offset; | 88 | unsigned int sym_size, offset; |
301 | struct symbol *sym = he->sym; | 89 | struct symbol *sym = he->sym; |
90 | struct sym_priv *priv; | ||
91 | struct sym_hist *h; | ||
302 | 92 | ||
303 | he->count++; | 93 | he->count++; |
304 | 94 | ||
305 | if (!sym || !sym->hist) | 95 | if (!sym || !he->map) |
96 | return; | ||
97 | |||
98 | priv = symbol__priv(sym); | ||
99 | if (!priv->hist) | ||
306 | return; | 100 | return; |
307 | 101 | ||
308 | sym_size = sym->end - sym->start; | 102 | sym_size = sym->end - sym->start; |
309 | offset = ip - sym->start; | 103 | offset = ip - sym->start; |
310 | 104 | ||
105 | if (verbose) | ||
106 | fprintf(stderr, "%s: ip=%Lx\n", __func__, | ||
107 | he->map->unmap_ip(he->map, ip)); | ||
108 | |||
311 | if (offset >= sym_size) | 109 | if (offset >= sym_size) |
312 | return; | 110 | return; |
313 | 111 | ||
314 | sym->hist_sum++; | 112 | h = priv->hist; |
315 | sym->hist[offset]++; | 113 | h->sum++; |
114 | h->ip[offset]++; | ||
316 | 115 | ||
317 | if (verbose >= 3) | 116 | if (verbose >= 3) |
318 | printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", | 117 | printf("%p %s: count++ [ip: %p, %08Lx] => %Ld\n", |
319 | (void *)(unsigned long)he->sym->start, | 118 | (void *)(unsigned long)he->sym->start, |
320 | he->sym->name, | 119 | he->sym->name, |
321 | (void *)(unsigned long)ip, ip - he->sym->start, | 120 | (void *)(unsigned long)ip, ip - he->sym->start, |
322 | sym->hist[offset]); | 121 | h->ip[offset]); |
323 | } | 122 | } |
324 | 123 | ||
325 | static int | 124 | static int hist_entry__add(struct addr_location *al, u64 count) |
326 | hist_entry__add(struct thread *thread, struct map *map, struct dso *dso, | ||
327 | struct symbol *sym, u64 ip, char level) | ||
328 | { | 125 | { |
329 | struct rb_node **p = &hist.rb_node; | 126 | bool hit; |
330 | struct rb_node *parent = NULL; | 127 | struct hist_entry *he = __hist_entry__add(al, NULL, count, &hit); |
331 | struct hist_entry *he; | 128 | if (he == NULL) |
332 | struct hist_entry entry = { | ||
333 | .thread = thread, | ||
334 | .map = map, | ||
335 | .dso = dso, | ||
336 | .sym = sym, | ||
337 | .ip = ip, | ||
338 | .level = level, | ||
339 | .count = 1, | ||
340 | }; | ||
341 | int cmp; | ||
342 | |||
343 | while (*p != NULL) { | ||
344 | parent = *p; | ||
345 | he = rb_entry(parent, struct hist_entry, rb_node); | ||
346 | |||
347 | cmp = hist_entry__cmp(&entry, he); | ||
348 | |||
349 | if (!cmp) { | ||
350 | hist_hit(he, ip); | ||
351 | |||
352 | return 0; | ||
353 | } | ||
354 | |||
355 | if (cmp < 0) | ||
356 | p = &(*p)->rb_left; | ||
357 | else | ||
358 | p = &(*p)->rb_right; | ||
359 | } | ||
360 | |||
361 | he = malloc(sizeof(*he)); | ||
362 | if (!he) | ||
363 | return -ENOMEM; | 129 | return -ENOMEM; |
364 | *he = entry; | 130 | hist_hit(he, al->addr); |
365 | rb_link_node(&he->rb_node, parent, p); | ||
366 | rb_insert_color(&he->rb_node, &hist); | ||
367 | |||
368 | return 0; | 131 | return 0; |
369 | } | 132 | } |
370 | 133 | ||
371 | static void hist_entry__free(struct hist_entry *he) | 134 | static int process_sample_event(event_t *event) |
372 | { | ||
373 | free(he); | ||
374 | } | ||
375 | |||
376 | /* | ||
377 | * collapse the histogram | ||
378 | */ | ||
379 | |||
380 | static struct rb_root collapse_hists; | ||
381 | |||
382 | static void collapse__insert_entry(struct hist_entry *he) | ||
383 | { | ||
384 | struct rb_node **p = &collapse_hists.rb_node; | ||
385 | struct rb_node *parent = NULL; | ||
386 | struct hist_entry *iter; | ||
387 | int64_t cmp; | ||
388 | |||
389 | while (*p != NULL) { | ||
390 | parent = *p; | ||
391 | iter = rb_entry(parent, struct hist_entry, rb_node); | ||
392 | |||
393 | cmp = hist_entry__collapse(iter, he); | ||
394 | |||
395 | if (!cmp) { | ||
396 | iter->count += he->count; | ||
397 | hist_entry__free(he); | ||
398 | return; | ||
399 | } | ||
400 | |||
401 | if (cmp < 0) | ||
402 | p = &(*p)->rb_left; | ||
403 | else | ||
404 | p = &(*p)->rb_right; | ||
405 | } | ||
406 | |||
407 | rb_link_node(&he->rb_node, parent, p); | ||
408 | rb_insert_color(&he->rb_node, &collapse_hists); | ||
409 | } | ||
410 | |||
411 | static void collapse__resort(void) | ||
412 | { | ||
413 | struct rb_node *next; | ||
414 | struct hist_entry *n; | ||
415 | |||
416 | if (!sort__need_collapse) | ||
417 | return; | ||
418 | |||
419 | next = rb_first(&hist); | ||
420 | while (next) { | ||
421 | n = rb_entry(next, struct hist_entry, rb_node); | ||
422 | next = rb_next(&n->rb_node); | ||
423 | |||
424 | rb_erase(&n->rb_node, &hist); | ||
425 | collapse__insert_entry(n); | ||
426 | } | ||
427 | } | ||
428 | |||
429 | /* | ||
430 | * reverse the map, sort on count. | ||
431 | */ | ||
432 | |||
433 | static struct rb_root output_hists; | ||
434 | |||
435 | static void output__insert_entry(struct hist_entry *he) | ||
436 | { | 135 | { |
437 | struct rb_node **p = &output_hists.rb_node; | 136 | struct addr_location al; |
438 | struct rb_node *parent = NULL; | ||
439 | struct hist_entry *iter; | ||
440 | 137 | ||
441 | while (*p != NULL) { | 138 | dump_printf("(IP, %d): %d: %p\n", event->header.misc, |
442 | parent = *p; | 139 | event->ip.pid, (void *)(long)event->ip.ip); |
443 | iter = rb_entry(parent, struct hist_entry, rb_node); | ||
444 | 140 | ||
445 | if (he->count > iter->count) | 141 | if (event__preprocess_sample(event, &al, symbol_filter) < 0) { |
446 | p = &(*p)->rb_left; | ||
447 | else | ||
448 | p = &(*p)->rb_right; | ||
449 | } | ||
450 | |||
451 | rb_link_node(&he->rb_node, parent, p); | ||
452 | rb_insert_color(&he->rb_node, &output_hists); | ||
453 | } | ||
454 | |||
455 | static void output__resort(void) | ||
456 | { | ||
457 | struct rb_node *next; | ||
458 | struct hist_entry *n; | ||
459 | struct rb_root *tree = &hist; | ||
460 | |||
461 | if (sort__need_collapse) | ||
462 | tree = &collapse_hists; | ||
463 | |||
464 | next = rb_first(tree); | ||
465 | |||
466 | while (next) { | ||
467 | n = rb_entry(next, struct hist_entry, rb_node); | ||
468 | next = rb_next(&n->rb_node); | ||
469 | |||
470 | rb_erase(&n->rb_node, tree); | ||
471 | output__insert_entry(n); | ||
472 | } | ||
473 | } | ||
474 | |||
475 | static unsigned long total = 0, | ||
476 | total_mmap = 0, | ||
477 | total_comm = 0, | ||
478 | total_fork = 0, | ||
479 | total_unknown = 0; | ||
480 | |||
481 | static int | ||
482 | process_sample_event(event_t *event, unsigned long offset, unsigned long head) | ||
483 | { | ||
484 | char level; | ||
485 | int show = 0; | ||
486 | struct dso *dso = NULL; | ||
487 | struct thread *thread; | ||
488 | u64 ip = event->ip.ip; | ||
489 | struct map *map = NULL; | ||
490 | |||
491 | thread = threads__findnew(event->ip.pid, &threads, &last_match); | ||
492 | |||
493 | dump_printf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n", | ||
494 | (void *)(offset + head), | ||
495 | (void *)(long)(event->header.size), | ||
496 | event->header.misc, | ||
497 | event->ip.pid, | ||
498 | (void *)(long)ip); | ||
499 | |||
500 | dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); | ||
501 | |||
502 | if (thread == NULL) { | ||
503 | fprintf(stderr, "problem processing %d event, skipping it.\n", | 142 | fprintf(stderr, "problem processing %d event, skipping it.\n", |
504 | event->header.type); | 143 | event->header.type); |
505 | return -1; | 144 | return -1; |
506 | } | 145 | } |
507 | 146 | ||
508 | if (event->header.misc & PERF_RECORD_MISC_KERNEL) { | 147 | if (hist_entry__add(&al, 1)) { |
509 | show = SHOW_KERNEL; | 148 | fprintf(stderr, "problem incrementing symbol count, " |
510 | level = 'k'; | 149 | "skipping event\n"); |
511 | |||
512 | dso = kernel_dso; | ||
513 | |||
514 | dump_printf(" ...... dso: %s\n", dso->name); | ||
515 | |||
516 | } else if (event->header.misc & PERF_RECORD_MISC_USER) { | ||
517 | |||
518 | show = SHOW_USER; | ||
519 | level = '.'; | ||
520 | |||
521 | map = thread__find_map(thread, ip); | ||
522 | if (map != NULL) { | ||
523 | ip = map->map_ip(map, ip); | ||
524 | dso = map->dso; | ||
525 | } else { | ||
526 | /* | ||
527 | * If this is outside of all known maps, | ||
528 | * and is a negative address, try to look it | ||
529 | * up in the kernel dso, as it might be a | ||
530 | * vsyscall (which executes in user-mode): | ||
531 | */ | ||
532 | if ((long long)ip < 0) | ||
533 | dso = kernel_dso; | ||
534 | } | ||
535 | dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>"); | ||
536 | |||
537 | } else { | ||
538 | show = SHOW_HV; | ||
539 | level = 'H'; | ||
540 | dump_printf(" ...... dso: [hypervisor]\n"); | ||
541 | } | ||
542 | |||
543 | if (show & show_mask) { | ||
544 | struct symbol *sym = NULL; | ||
545 | |||
546 | if (dso) | ||
547 | sym = dso->find_symbol(dso, ip); | ||
548 | |||
549 | if (hist_entry__add(thread, map, dso, sym, ip, level)) { | ||
550 | fprintf(stderr, | ||
551 | "problem incrementing symbol count, skipping event\n"); | ||
552 | return -1; | ||
553 | } | ||
554 | } | ||
555 | total++; | ||
556 | |||
557 | return 0; | ||
558 | } | ||
559 | |||
560 | static int | ||
561 | process_mmap_event(event_t *event, unsigned long offset, unsigned long head) | ||
562 | { | ||
563 | struct thread *thread; | ||
564 | struct map *map = map__new(&event->mmap, NULL, 0); | ||
565 | |||
566 | thread = threads__findnew(event->mmap.pid, &threads, &last_match); | ||
567 | |||
568 | dump_printf("%p [%p]: PERF_RECORD_MMAP %d: [%p(%p) @ %p]: %s\n", | ||
569 | (void *)(offset + head), | ||
570 | (void *)(long)(event->header.size), | ||
571 | event->mmap.pid, | ||
572 | (void *)(long)event->mmap.start, | ||
573 | (void *)(long)event->mmap.len, | ||
574 | (void *)(long)event->mmap.pgoff, | ||
575 | event->mmap.filename); | ||
576 | |||
577 | if (thread == NULL || map == NULL) { | ||
578 | dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); | ||
579 | return 0; | ||
580 | } | ||
581 | |||
582 | thread__insert_map(thread, map); | ||
583 | total_mmap++; | ||
584 | |||
585 | return 0; | ||
586 | } | ||
587 | |||
588 | static int | ||
589 | process_comm_event(event_t *event, unsigned long offset, unsigned long head) | ||
590 | { | ||
591 | struct thread *thread; | ||
592 | |||
593 | thread = threads__findnew(event->comm.pid, &threads, &last_match); | ||
594 | dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n", | ||
595 | (void *)(offset + head), | ||
596 | (void *)(long)(event->header.size), | ||
597 | event->comm.comm, event->comm.pid); | ||
598 | |||
599 | if (thread == NULL || | ||
600 | thread__set_comm(thread, event->comm.comm)) { | ||
601 | dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); | ||
602 | return -1; | ||
603 | } | ||
604 | total_comm++; | ||
605 | |||
606 | return 0; | ||
607 | } | ||
608 | |||
609 | static int | ||
610 | process_fork_event(event_t *event, unsigned long offset, unsigned long head) | ||
611 | { | ||
612 | struct thread *thread; | ||
613 | struct thread *parent; | ||
614 | |||
615 | thread = threads__findnew(event->fork.pid, &threads, &last_match); | ||
616 | parent = threads__findnew(event->fork.ppid, &threads, &last_match); | ||
617 | dump_printf("%p [%p]: PERF_RECORD_FORK: %d:%d\n", | ||
618 | (void *)(offset + head), | ||
619 | (void *)(long)(event->header.size), | ||
620 | event->fork.pid, event->fork.ppid); | ||
621 | |||
622 | /* | ||
623 | * A thread clone will have the same PID for both | ||
624 | * parent and child. | ||
625 | */ | ||
626 | if (thread == parent) | ||
627 | return 0; | ||
628 | |||
629 | if (!thread || !parent || thread__fork(thread, parent)) { | ||
630 | dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); | ||
631 | return -1; | ||
632 | } | ||
633 | total_fork++; | ||
634 | |||
635 | return 0; | ||
636 | } | ||
637 | |||
638 | static int | ||
639 | process_event(event_t *event, unsigned long offset, unsigned long head) | ||
640 | { | ||
641 | switch (event->header.type) { | ||
642 | case PERF_RECORD_SAMPLE: | ||
643 | return process_sample_event(event, offset, head); | ||
644 | |||
645 | case PERF_RECORD_MMAP: | ||
646 | return process_mmap_event(event, offset, head); | ||
647 | |||
648 | case PERF_RECORD_COMM: | ||
649 | return process_comm_event(event, offset, head); | ||
650 | |||
651 | case PERF_RECORD_FORK: | ||
652 | return process_fork_event(event, offset, head); | ||
653 | /* | ||
654 | * We dont process them right now but they are fine: | ||
655 | */ | ||
656 | |||
657 | case PERF_RECORD_THROTTLE: | ||
658 | case PERF_RECORD_UNTHROTTLE: | ||
659 | return 0; | ||
660 | |||
661 | default: | ||
662 | return -1; | 150 | return -1; |
663 | } | 151 | } |
664 | 152 | ||
665 | return 0; | 153 | return 0; |
666 | } | 154 | } |
667 | 155 | ||
668 | static int | 156 | static int parse_line(FILE *file, struct hist_entry *he, u64 len) |
669 | parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) | ||
670 | { | 157 | { |
158 | struct symbol *sym = he->sym; | ||
671 | char *line = NULL, *tmp, *tmp2; | 159 | char *line = NULL, *tmp, *tmp2; |
672 | static const char *prev_line; | 160 | static const char *prev_line; |
673 | static const char *prev_color; | 161 | static const char *prev_color; |
674 | unsigned int offset; | 162 | unsigned int offset; |
675 | size_t line_len; | 163 | size_t line_len; |
164 | u64 start; | ||
676 | s64 line_ip; | 165 | s64 line_ip; |
677 | int ret; | 166 | int ret; |
678 | char *c; | 167 | char *c; |
@@ -709,22 +198,26 @@ parse_line(FILE *file, struct symbol *sym, u64 start, u64 len) | |||
709 | line_ip = -1; | 198 | line_ip = -1; |
710 | } | 199 | } |
711 | 200 | ||
201 | start = he->map->unmap_ip(he->map, sym->start); | ||
202 | |||
712 | if (line_ip != -1) { | 203 | if (line_ip != -1) { |
713 | const char *path = NULL; | 204 | const char *path = NULL; |
714 | unsigned int hits = 0; | 205 | unsigned int hits = 0; |
715 | double percent = 0.0; | 206 | double percent = 0.0; |
716 | const char *color; | 207 | const char *color; |
717 | struct sym_ext *sym_ext = sym->priv; | 208 | struct sym_priv *priv = symbol__priv(sym); |
209 | struct sym_ext *sym_ext = priv->ext; | ||
210 | struct sym_hist *h = priv->hist; | ||
718 | 211 | ||
719 | offset = line_ip - start; | 212 | offset = line_ip - start; |
720 | if (offset < len) | 213 | if (offset < len) |
721 | hits = sym->hist[offset]; | 214 | hits = h->ip[offset]; |
722 | 215 | ||
723 | if (offset < len && sym_ext) { | 216 | if (offset < len && sym_ext) { |
724 | path = sym_ext[offset].path; | 217 | path = sym_ext[offset].path; |
725 | percent = sym_ext[offset].percent; | 218 | percent = sym_ext[offset].percent; |
726 | } else if (sym->hist_sum) | 219 | } else if (h->sum) |
727 | percent = 100.0 * hits / sym->hist_sum; | 220 | percent = 100.0 * hits / h->sum; |
728 | 221 | ||
729 | color = get_percent_color(percent); | 222 | color = get_percent_color(percent); |
730 | 223 | ||
@@ -777,9 +270,10 @@ static void insert_source_line(struct sym_ext *sym_ext) | |||
777 | rb_insert_color(&sym_ext->node, &root_sym_ext); | 270 | rb_insert_color(&sym_ext->node, &root_sym_ext); |
778 | } | 271 | } |
779 | 272 | ||
780 | static void free_source_line(struct symbol *sym, int len) | 273 | static void free_source_line(struct hist_entry *he, int len) |
781 | { | 274 | { |
782 | struct sym_ext *sym_ext = sym->priv; | 275 | struct sym_priv *priv = symbol__priv(he->sym); |
276 | struct sym_ext *sym_ext = priv->ext; | ||
783 | int i; | 277 | int i; |
784 | 278 | ||
785 | if (!sym_ext) | 279 | if (!sym_ext) |
@@ -789,26 +283,30 @@ static void free_source_line(struct symbol *sym, int len) | |||
789 | free(sym_ext[i].path); | 283 | free(sym_ext[i].path); |
790 | free(sym_ext); | 284 | free(sym_ext); |
791 | 285 | ||
792 | sym->priv = NULL; | 286 | priv->ext = NULL; |
793 | root_sym_ext = RB_ROOT; | 287 | root_sym_ext = RB_ROOT; |
794 | } | 288 | } |
795 | 289 | ||
796 | /* Get the filename:line for the colored entries */ | 290 | /* Get the filename:line for the colored entries */ |
797 | static void | 291 | static void |
798 | get_source_line(struct symbol *sym, u64 start, int len, const char *filename) | 292 | get_source_line(struct hist_entry *he, int len, const char *filename) |
799 | { | 293 | { |
294 | struct symbol *sym = he->sym; | ||
295 | u64 start; | ||
800 | int i; | 296 | int i; |
801 | char cmd[PATH_MAX * 2]; | 297 | char cmd[PATH_MAX * 2]; |
802 | struct sym_ext *sym_ext; | 298 | struct sym_ext *sym_ext; |
299 | struct sym_priv *priv = symbol__priv(sym); | ||
300 | struct sym_hist *h = priv->hist; | ||
803 | 301 | ||
804 | if (!sym->hist_sum) | 302 | if (!h->sum) |
805 | return; | 303 | return; |
806 | 304 | ||
807 | sym->priv = calloc(len, sizeof(struct sym_ext)); | 305 | sym_ext = priv->ext = calloc(len, sizeof(struct sym_ext)); |
808 | if (!sym->priv) | 306 | if (!priv->ext) |
809 | return; | 307 | return; |
810 | 308 | ||
811 | sym_ext = sym->priv; | 309 | start = he->map->unmap_ip(he->map, sym->start); |
812 | 310 | ||
813 | for (i = 0; i < len; i++) { | 311 | for (i = 0; i < len; i++) { |
814 | char *path = NULL; | 312 | char *path = NULL; |
@@ -816,7 +314,7 @@ get_source_line(struct symbol *sym, u64 start, int len, const char *filename) | |||
816 | u64 offset; | 314 | u64 offset; |
817 | FILE *fp; | 315 | FILE *fp; |
818 | 316 | ||
819 | sym_ext[i].percent = 100.0 * sym->hist[i] / sym->hist_sum; | 317 | sym_ext[i].percent = 100.0 * h->ip[i] / h->sum; |
820 | if (sym_ext[i].percent <= 0.5) | 318 | if (sym_ext[i].percent <= 0.5) |
821 | continue; | 319 | continue; |
822 | 320 | ||
@@ -870,33 +368,34 @@ static void print_summary(const char *filename) | |||
870 | } | 368 | } |
871 | } | 369 | } |
872 | 370 | ||
873 | static void annotate_sym(struct dso *dso, struct symbol *sym) | 371 | static void annotate_sym(struct hist_entry *he) |
874 | { | 372 | { |
875 | const char *filename = dso->name, *d_filename; | 373 | struct map *map = he->map; |
876 | u64 start, end, len; | 374 | struct dso *dso = map->dso; |
375 | struct symbol *sym = he->sym; | ||
376 | const char *filename = dso->long_name, *d_filename; | ||
377 | u64 len; | ||
877 | char command[PATH_MAX*2]; | 378 | char command[PATH_MAX*2]; |
878 | FILE *file; | 379 | FILE *file; |
879 | 380 | ||
880 | if (!filename) | 381 | if (!filename) |
881 | return; | 382 | return; |
882 | if (sym->module) | 383 | |
883 | filename = sym->module->path; | 384 | if (verbose) |
884 | else if (dso == kernel_dso) | 385 | fprintf(stderr, "%s: filename=%s, sym=%s, start=%Lx, end=%Lx\n", |
885 | filename = vmlinux_name; | 386 | __func__, filename, sym->name, |
886 | 387 | map->unmap_ip(map, sym->start), | |
887 | start = sym->obj_start; | 388 | map->unmap_ip(map, sym->end)); |
888 | if (!start) | 389 | |
889 | start = sym->start; | ||
890 | if (full_paths) | 390 | if (full_paths) |
891 | d_filename = filename; | 391 | d_filename = filename; |
892 | else | 392 | else |
893 | d_filename = basename(filename); | 393 | d_filename = basename(filename); |
894 | 394 | ||
895 | end = start + sym->end - sym->start + 1; | ||
896 | len = sym->end - sym->start; | 395 | len = sym->end - sym->start; |
897 | 396 | ||
898 | if (print_line) { | 397 | if (print_line) { |
899 | get_source_line(sym, start, len, filename); | 398 | get_source_line(he, len, filename); |
900 | print_summary(filename); | 399 | print_summary(filename); |
901 | } | 400 | } |
902 | 401 | ||
@@ -905,10 +404,12 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) | |||
905 | printf("------------------------------------------------\n"); | 404 | printf("------------------------------------------------\n"); |
906 | 405 | ||
907 | if (verbose >= 2) | 406 | if (verbose >= 2) |
908 | printf("annotating [%p] %30s : [%p] %30s\n", dso, dso->name, sym, sym->name); | 407 | printf("annotating [%p] %30s : [%p] %30s\n", |
408 | dso, dso->long_name, sym, sym->name); | ||
909 | 409 | ||
910 | sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", | 410 | sprintf(command, "objdump --start-address=0x%016Lx --stop-address=0x%016Lx -dS %s|grep -v %s", |
911 | (u64)start, (u64)end, filename, filename); | 411 | map->unmap_ip(map, sym->start), map->unmap_ip(map, sym->end), |
412 | filename, filename); | ||
912 | 413 | ||
913 | if (verbose >= 3) | 414 | if (verbose >= 3) |
914 | printf("doing: %s\n", command); | 415 | printf("doing: %s\n", command); |
@@ -918,159 +419,78 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) | |||
918 | return; | 419 | return; |
919 | 420 | ||
920 | while (!feof(file)) { | 421 | while (!feof(file)) { |
921 | if (parse_line(file, sym, start, len) < 0) | 422 | if (parse_line(file, he, len) < 0) |
922 | break; | 423 | break; |
923 | } | 424 | } |
924 | 425 | ||
925 | pclose(file); | 426 | pclose(file); |
926 | if (print_line) | 427 | if (print_line) |
927 | free_source_line(sym, len); | 428 | free_source_line(he, len); |
928 | } | 429 | } |
929 | 430 | ||
930 | static void find_annotations(void) | 431 | static void find_annotations(void) |
931 | { | 432 | { |
932 | struct rb_node *nd; | 433 | struct rb_node *nd; |
933 | struct dso *dso; | ||
934 | int count = 0; | ||
935 | |||
936 | list_for_each_entry(dso, &dsos, node) { | ||
937 | |||
938 | for (nd = rb_first(&dso->syms); nd; nd = rb_next(nd)) { | ||
939 | struct symbol *sym = rb_entry(nd, struct symbol, rb_node); | ||
940 | |||
941 | if (sym->hist) { | ||
942 | annotate_sym(dso, sym); | ||
943 | count++; | ||
944 | } | ||
945 | } | ||
946 | } | ||
947 | |||
948 | if (!count) | ||
949 | printf(" Error: symbol '%s' not present amongst the samples.\n", sym_hist_filter); | ||
950 | } | ||
951 | |||
952 | static int __cmd_annotate(void) | ||
953 | { | ||
954 | int ret, rc = EXIT_FAILURE; | ||
955 | unsigned long offset = 0; | ||
956 | unsigned long head = 0; | ||
957 | struct stat input_stat; | ||
958 | event_t *event; | ||
959 | uint32_t size; | ||
960 | char *buf; | ||
961 | |||
962 | register_idle_thread(&threads, &last_match); | ||
963 | |||
964 | input = open(input_name, O_RDONLY); | ||
965 | if (input < 0) { | ||
966 | perror("failed to open file"); | ||
967 | exit(-1); | ||
968 | } | ||
969 | |||
970 | ret = fstat(input, &input_stat); | ||
971 | if (ret < 0) { | ||
972 | perror("failed to stat file"); | ||
973 | exit(-1); | ||
974 | } | ||
975 | |||
976 | if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) { | ||
977 | fprintf(stderr, "file: %s not owned by current user or root\n", input_name); | ||
978 | exit(-1); | ||
979 | } | ||
980 | |||
981 | if (!input_stat.st_size) { | ||
982 | fprintf(stderr, "zero-sized file, nothing to do!\n"); | ||
983 | exit(0); | ||
984 | } | ||
985 | |||
986 | if (load_kernel() < 0) { | ||
987 | perror("failed to load kernel symbols"); | ||
988 | return EXIT_FAILURE; | ||
989 | } | ||
990 | |||
991 | remap: | ||
992 | buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ, | ||
993 | MAP_SHARED, input, offset); | ||
994 | if (buf == MAP_FAILED) { | ||
995 | perror("failed to mmap file"); | ||
996 | exit(-1); | ||
997 | } | ||
998 | |||
999 | more: | ||
1000 | event = (event_t *)(buf + head); | ||
1001 | 434 | ||
1002 | size = event->header.size; | 435 | for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) { |
1003 | if (!size) | 436 | struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node); |
1004 | size = 8; | 437 | struct sym_priv *priv; |
1005 | 438 | ||
1006 | if (head + event->header.size >= page_size * mmap_window) { | 439 | if (he->sym == NULL) |
1007 | unsigned long shift = page_size * (head / page_size); | 440 | continue; |
1008 | int munmap_ret; | ||
1009 | |||
1010 | munmap_ret = munmap(buf, page_size * mmap_window); | ||
1011 | assert(munmap_ret == 0); | ||
1012 | |||
1013 | offset += shift; | ||
1014 | head -= shift; | ||
1015 | goto remap; | ||
1016 | } | ||
1017 | |||
1018 | size = event->header.size; | ||
1019 | |||
1020 | dump_printf("%p [%p]: event: %d\n", | ||
1021 | (void *)(offset + head), | ||
1022 | (void *)(long)event->header.size, | ||
1023 | event->header.type); | ||
1024 | |||
1025 | if (!size || process_event(event, offset, head) < 0) { | ||
1026 | |||
1027 | dump_printf("%p [%p]: skipping unknown header type: %d\n", | ||
1028 | (void *)(offset + head), | ||
1029 | (void *)(long)(event->header.size), | ||
1030 | event->header.type); | ||
1031 | 441 | ||
1032 | total_unknown++; | 442 | priv = symbol__priv(he->sym); |
443 | if (priv->hist == NULL) | ||
444 | continue; | ||
1033 | 445 | ||
446 | annotate_sym(he); | ||
1034 | /* | 447 | /* |
1035 | * assume we lost track of the stream, check alignment, and | 448 | * Since we have a hist_entry per IP for the same symbol, free |
1036 | * increment a single u64 in the hope to catch on again 'soon'. | 449 | * he->sym->hist to signal we already processed this symbol. |
1037 | */ | 450 | */ |
1038 | 451 | free(priv->hist); | |
1039 | if (unlikely(head & 7)) | 452 | priv->hist = NULL; |
1040 | head &= ~7ULL; | ||
1041 | |||
1042 | size = 8; | ||
1043 | } | 453 | } |
454 | } | ||
1044 | 455 | ||
1045 | head += size; | 456 | static struct perf_file_handler file_handler = { |
457 | .process_sample_event = process_sample_event, | ||
458 | .process_mmap_event = event__process_mmap, | ||
459 | .process_comm_event = event__process_comm, | ||
460 | .process_fork_event = event__process_task, | ||
461 | }; | ||
1046 | 462 | ||
1047 | if (offset + head < (unsigned long)input_stat.st_size) | 463 | static int __cmd_annotate(void) |
1048 | goto more; | 464 | { |
465 | struct perf_header *header; | ||
466 | struct thread *idle; | ||
467 | int ret; | ||
1049 | 468 | ||
1050 | rc = EXIT_SUCCESS; | 469 | idle = register_idle_thread(); |
1051 | close(input); | 470 | register_perf_file_handler(&file_handler); |
1052 | 471 | ||
1053 | dump_printf(" IP events: %10ld\n", total); | 472 | ret = mmap_dispatch_perf_file(&header, input_name, 0, 0, |
1054 | dump_printf(" mmap events: %10ld\n", total_mmap); | 473 | &event__cwdlen, &event__cwd); |
1055 | dump_printf(" comm events: %10ld\n", total_comm); | 474 | if (ret) |
1056 | dump_printf(" fork events: %10ld\n", total_fork); | 475 | return ret; |
1057 | dump_printf(" unknown events: %10ld\n", total_unknown); | ||
1058 | 476 | ||
1059 | if (dump_trace) | 477 | if (dump_trace) { |
478 | event__print_totals(); | ||
1060 | return 0; | 479 | return 0; |
480 | } | ||
1061 | 481 | ||
1062 | if (verbose >= 3) | 482 | if (verbose > 3) |
1063 | threads__fprintf(stdout, &threads); | 483 | threads__fprintf(stdout); |
1064 | 484 | ||
1065 | if (verbose >= 2) | 485 | if (verbose > 2) |
1066 | dsos__fprintf(stdout); | 486 | dsos__fprintf(stdout); |
1067 | 487 | ||
1068 | collapse__resort(); | 488 | collapse__resort(); |
1069 | output__resort(); | 489 | output__resort(event__total[0]); |
1070 | 490 | ||
1071 | find_annotations(); | 491 | find_annotations(); |
1072 | 492 | ||
1073 | return rc; | 493 | return ret; |
1074 | } | 494 | } |
1075 | 495 | ||
1076 | static const char * const annotate_usage[] = { | 496 | static const char * const annotate_usage[] = { |
@@ -1088,8 +508,9 @@ static const struct option options[] = { | |||
1088 | "be more verbose (show symbol address, etc)"), | 508 | "be more verbose (show symbol address, etc)"), |
1089 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, | 509 | OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace, |
1090 | "dump raw trace in ASCII"), | 510 | "dump raw trace in ASCII"), |
1091 | OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"), | 511 | OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name, |
1092 | OPT_BOOLEAN('m', "modules", &modules, | 512 | "file", "vmlinux pathname"), |
513 | OPT_BOOLEAN('m', "modules", &symbol_conf.use_modules, | ||
1093 | "load module symbols - WARNING: use only with -k and LIVE kernel"), | 514 | "load module symbols - WARNING: use only with -k and LIVE kernel"), |
1094 | OPT_BOOLEAN('l', "print-line", &print_line, | 515 | OPT_BOOLEAN('l', "print-line", &print_line, |
1095 | "print matching source lines (may be slow)"), | 516 | "print matching source lines (may be slow)"), |
@@ -1115,9 +536,8 @@ static void setup_sorting(void) | |||
1115 | 536 | ||
1116 | int cmd_annotate(int argc, const char **argv, const char *prefix __used) | 537 | int cmd_annotate(int argc, const char **argv, const char *prefix __used) |
1117 | { | 538 | { |
1118 | symbol__init(); | 539 | if (symbol__init(&symbol_conf) < 0) |
1119 | 540 | return -1; | |
1120 | page_size = getpagesize(); | ||
1121 | 541 | ||
1122 | argc = parse_options(argc, argv, options, annotate_usage, 0); | 542 | argc = parse_options(argc, argv, options, annotate_usage, 0); |
1123 | 543 | ||
@@ -1134,10 +554,13 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __used) | |||
1134 | sym_hist_filter = argv[0]; | 554 | sym_hist_filter = argv[0]; |
1135 | } | 555 | } |
1136 | 556 | ||
1137 | if (!sym_hist_filter) | ||
1138 | usage_with_options(annotate_usage, options); | ||
1139 | |||
1140 | setup_pager(); | 557 | setup_pager(); |
1141 | 558 | ||
559 | if (field_sep && *field_sep == '.') { | ||
560 | fputs("'.' is the only non valid --field-separator argument\n", | ||
561 | stderr); | ||
562 | exit(129); | ||
563 | } | ||
564 | |||
1142 | return __cmd_annotate(); | 565 | return __cmd_annotate(); |
1143 | } | 566 | } |